make-extractor
Name
make-extractor -- Create a tuple extractor function.
Type: function
Synopsis
make-extractor( class cnxn result num-fields, extractor);
Arguments
- class
An instance of <<class>>
- cnxn
An instance of <pg95-connection>
- result
An instance of <pg95-result>
- num-fields
An instance of <fixnum>
Return Values
- extractor
An instance of <function>
Description
Compiles an extraction plan and returns a function which uses
the plan to extract the ith tuple of the given result. The
function returned is a function of one argument, which is the tuple
number. That function returns an instance of class.